TIMBUK2 Mission SlingLarge matte finish zippersSuper light and strong Tyvek fabricEasy access front zipper pocketExpandable roll-top access into main compartment8L un-expanded - 10L expanded volumesDual side incognito zip pocketing for your stashIn-pocket key keeperSilver reflective zipper pullsAdjustable shoulder strapCarry as a shoulder or waist bag